Dell Precision 3540 - Left View; Right View

Left view
1. Power connector port 2. USB Type-C 3.1 Gen 2 port with DisplayPort/Thunderbolt
3. USB 3.1 Gen 1 with PowerShare 4. Smart card reader (optional)
Right view
1.
microSD card reader 2. Heatset/ Microphone port
3. USB 3.1 Gen 1 port 4. USB 3.1 Gen 1 port
5. HDMI port 6. Network port
7. Wedge-shaped lock slot
Chassis overview 9